4.2 Writing Equations in Point-Slope Form

Write the point-slope form of the equation of the line through the given point with the given slope.

through: (4, 1), slope = -1

• y - 4 = x - 1

• None of these

• y - 1 = -(x + 4)

• y - 1 = -(x - 4)

Tags

CCSS.HSA.CED.A.2

CCSS.HSG.GPE.B.5

Which of these represents point-slope form of a linear equation?

• y - y₁ = m(x - x₁)
• Ax + By = C
• y = mx + b

Write the equation of the line with slope -2 through the point (7, −1).

• y = −2x + 15

• y = −2x − 15

• y = −2x + 13

• y = −2x − 13

Tags

CCSS.HSA.CED.A.2

Write the equation of the line with slope 3/5 through the point (20, 6).

• y = 3/5x − 6

• y = 3/5x +18

• y = 3/5x − 18

• y = 3/5x + 6

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

Write the equation of the line through the points (−6, −19) and (2, 5).

• y = −7/2x + 12

• y = 3x + 11

• y = −7/2x − 40

• y = 3x − 1

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

Write the equation of the line through the points (7, 8) and (−12, −11).

• y = x + 1

• y = x + 15

• y = −x − 1

• y = −x − 23

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

Write an equation for the following table:

• y = 4x
• y = 8x
• y = 12x
• y =¼x

Tags

CCSS.6.EE.C.9

What is the equation of this line?

• $y=2x-1.5$

• $y=\frac{1}{2}x+1$

• $y=\frac{1}{2}x-1.5$

• $y=2x-1$

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

For babysitting, Nicole charges a flat fee of $3, plus $5 per hour. How much money will she make if she babysits 5 hours?

• $28
• $20
• $25
• $15

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which company shows a greater rate of change?

• Water's Edge Rafts
• Ryan's Rafts

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9